[1,1'-Biphenyl]-2,2'-disulfonicacid,4,4'-bis[2-(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)diazenyl]-,sodium salt (1:2)CAS NO.: 6375-55-9
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Benzenesulfonic acid,4-[2-(5-amino-3-methyl-1-phenyl-1H-pyrazol-4-yl)diazenyl]-2,5-dichloro-CAS NO.: 12239-15-5
[1,1'-Biphenyl]-2,2'-disulfonicacid,4-[2-(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)diazenyl]-4'-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-,sodium salt (1:2)CAS NO.: 6470-20-8